mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
745a10f080
cache_set_state() and state args are no history. Move cache_entry_cmp() and friends to slapd/entry.c to allow sharing of functions between backends.. Renamed to entry_cmp().
226 lines
4.9 KiB
C
226 lines
4.9 KiB
C
/* add.c - ldap ldbm back-end add routine */
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "back-ldbm.h"
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#include "proto-back-ldbm.h"
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int
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ldbm_back_add(
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Backend *be,
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Connection *conn,
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Operation *op,
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Entry *e
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)
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{
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struct ldbminfo *li = (struct ldbminfo *) be->be_private;
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char *pdn;
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Entry *p = NULL;
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int rootlock = 0;
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int rc;
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Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_add: %s\n", e->e_dn, 0, 0);
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/* nobody else can add until we lock our parent */
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ldap_pvt_thread_mutex_lock(&li->li_add_mutex);
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if ( ( dn2id( be, e->e_ndn ) ) != NOID ) {
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ldap_pvt_thread_mutex_unlock(&li->li_add_mutex);
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entry_free( e );
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send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
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return( -1 );
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}
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if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
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ldap_pvt_thread_mutex_unlock(&li->li_add_mutex);
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Debug( LDAP_DEBUG_TRACE, "entry failed schema check\n",
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0, 0, 0 );
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entry_free( e );
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send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, "",
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"" );
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return( -1 );
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}
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/*
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* Get the parent dn and see if the corresponding entry exists.
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* If the parent does not exist, only allow the "root" user to
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* add the entry.
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*/
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if ( (pdn = dn_parent( be, e->e_ndn )) != NULL ) {
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char *matched = NULL;
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/* get parent with writer lock */
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if ( (p = dn2entry_w( be, pdn, &matched )) == NULL ) {
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ldap_pvt_thread_mutex_unlock(&li->li_add_mutex);
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Debug( LDAP_DEBUG_TRACE, "parent does not exist\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
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matched, "" );
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if ( matched != NULL ) {
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free( matched );
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}
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entry_free( e );
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free( pdn );
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return -1;
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}
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/* don't need the add lock anymore */
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ldap_pvt_thread_mutex_unlock(&li->li_add_mutex);
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free(pdn);
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if ( matched != NULL ) {
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free( matched );
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}
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if ( ! access_allowed( be, conn, op, p,
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"children", NULL, ACL_WRITE ) )
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{
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Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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"", "" );
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/* free parent and writer lock */
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cache_return_entry_w( &li->li_cache, p );
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entry_free( e );
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return -1;
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}
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} else {
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/* no parent, must be adding entry to root */
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if ( ! be_isroot( be, op->o_ndn ) ) {
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ldap_pvt_thread_mutex_unlock(&li->li_add_mutex);
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Debug( LDAP_DEBUG_TRACE, "no parent & not root\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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"", "" );
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entry_free( e );
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return -1;
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}
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/*
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* no parent, acquire the root write lock
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* and release the add lock.
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*/
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ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
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rootlock = 1;
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ldap_pvt_thread_mutex_unlock(&li->li_add_mutex);
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}
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e->e_id = next_id( be );
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/*
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* Try to add the entry to the cache, assign it a new dnid.
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*/
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rc = cache_add_entry_rw(&li->li_cache, e, CACHE_WRITE_LOCK);
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if ( rc != 0 ) {
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if( p != NULL) {
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/* free parent and writer lock */
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cache_return_entry_w( &li->li_cache, p );
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}
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if ( rootlock ) {
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/* release root lock */
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ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
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}
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Debug( LDAP_DEBUG_ANY, "cache_add_entry_lock failed\n", 0, 0,
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0 );
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/* return the id */
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next_id_return( be, e->e_id );
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/* free the entry */
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entry_free( e );
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if(rc > 0) {
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send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
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} else {
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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}
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return( -1 );
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}
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rc = -1;
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/*
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* add it to the id2children index for the parent
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*/
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if ( id2children_add( be, p, e ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "id2children_add failed\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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goto return_results;
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}
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/*
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* Add the entry to the attribute indexes, then add it to
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* the id2children index, dn2id index, and the id2entry index.
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*/
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/* attribute indexes */
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if ( index_add_entry( be, e ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "index_add_entry failed\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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goto return_results;
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}
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/* dn2id index */
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if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "dn2id_add failed\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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goto return_results;
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}
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/* id2entry index */
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if ( id2entry_add( be, e ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "id2entry_add failed\n", 0,
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0, 0 );
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(void) dn2id_delete( be, e->e_ndn );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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goto return_results;
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}
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send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
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rc = 0;
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return_results:;
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if (p != NULL) {
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/* free parent and writer lock */
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cache_return_entry_w( &li->li_cache, p );
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}
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if ( rootlock ) {
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/* release root lock */
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ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
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}
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/* free entry and writer lock */
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cache_return_entry_w( &li->li_cache, e );
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return( rc );
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}
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